One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(10,14)(11,12)(17,18,21,25)(19,27,28,23)(20,24,29,31)(22,26,30,32)(9,10)(11,16)(12,15)(13,14)(17,19,21,28)(18,23,25,27)(20,30,29,22)(24,26,31,32)(2,5)(6,8)(9,11,13,12)(10,15,14,16)(17,20,22,19,21,29,30,28)(18,24,26,27,25,31,32,23)(9,12,13,11)(10,15,14,16)(18,25)(23,27)(24,31)(26,32)(1,3,4,7)(2,6,5,8)(17,20,30,28,21,29,22,19)(18,24,32,23,25,31,26,27)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.